A stone is dropped from the top of a tower and travels in the last second of its journey. The height of the tower is
Find the height of the tower.
Explanation of correct option:
Consider that the tower is in total height and that it takes to descend to the ground.
The height is given as:
The height before last seconds is given as:
Insert the value of in the equation :
Hence, the height of the tower is .
Hence, Option A is the correct option.
Explanation of incorrect option:
Since, the height of the tower is which is determined above is not equal any of the values mentioned in Option A, Option B and Option C
Thus, Option A Option B and Option C are incorrect option.
Hence,Option A is the correct option.